test tube
A 'test tube' is essential in scientific research and experiments, particularly in chemistry and biology.
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Definition
B2Scientific Experiments
(technical)A small, cylindrical container, usually made of glass or plastic, used to hold, mix, or heat substances.
Example
- The scientist carefully poured the solution into the test tube.
- Test tubes are often used to conduct chemical reactions on a small scale.
C1Medical Science
(technical)A container used in laboratories to store, transport, and analyze small amounts of liquids, gases, or solids.
Example
- Blood samples were collected in test tubes for further analysis.
- Test tubes are essential for growing biological cultures in controlled environments.
C2In Vitro Fertilization
(technical)Refers to an object or process conceived or developed outside a living organism, particularly in artificial insemination.
Example
- The baby was conceived through a test tube process.
- Test tube fertilization has helped many couples overcome infertility.
Similar
Terms that have similar or relatively close meanings to "test tube":